<template>
  <div class="person">
    <h2>{{ name }}</h2>
    <h2>{{ age }}</h2>
    <button @click="changeName">修改名称</button>
    <button @click="changeAge">修改年龄</button>
    <button @click="showTel">展示联系方式</button>
  </div>
</template>

<script lang="ts" setup name="Person">
import { ref } from 'vue'
//数据
let name = ref('张三')
let age = ref(18)
let tel = '18188888888'
console.log(name)
console.log(age)

//方法
function changeName() {
  name.value = '李四'
  console.log(name)
}

function changeAge() {
  age.value += 1
  console.log(age)
}

function showTel() {
  alert(tel)
}

</script>

<style scoped>
.person {
  background-color: skyblue;
  box-shadow: 0 0 10px;
  border-radius: 10px;
  padding: 20px;
}

button {
  margin: 0 5px;
}
</style>